محرك هيتاشي الأصلي 4656988 صمام التحقق - قطع غيار الحفارة، صمام التحقق/صمام العودة

Hitachi original quality 4656988 check valve (non-return valve), mainly used in the hydraulic systems of Hitachi ZX200, ZX330, ZX300, ZX240-3, ZX350K-3 and other series of excavators. This part is also commonly known as 5.0 check valve or return oil solenoid valve, with good interchangeability, can replace 4678480, 4387143 and other numbers. The product adopts precise manufacturing technology, meets OE standards, is easy to install, ensures unidirectional flow of the hydraulic circuit, and ensures stable operation of the equipment. It is an important component of the excavator electrical system and hydraulic control.